<template>
  <div class="menu-manage">
    <div class="query-form">
      <el-form ref="form" :inline="true" :model="queryForm">
        <el-form-item label="菜单名称" prop="menuName">
          <el-input v-model="queryForm.menuName" placeholder="请输入菜单名称" />
        </el-form-item>
        <el-form-item label="菜单状态" prop="menuState">
          <el-select v-model="queryForm.menuState">
            <el-option :value="1" label="正常"></el-option>
            <el-option :value="2" label="停用"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="getMenuList">查询</el-button>
          <el-button @click="handleRest('form')">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
    <div class="base-table">
      <div class="action">
        <el-button type="primary" @click="handleAdd(1)">新增</el-button>
      </div>
      <el-table
       :data="menuList"
       row-key="_id"
       :tree-props="{ children: 'children', hasChildren: 'hasChildren' }">
        <el-table-column
          v-for="item in columns"
          :key="item.prop"
          :prop="item.prop"
          :label="item.label"
          :width="item.width"
          :formatter="item.formatter"
        >
        </el-table-column>
        <el-table-column label="操作" width="220">
          <template #default="scope">
            <el-button type="primary" @click="handleAdd(2,scope.row)">新增</el-button>
            <el-button @click="handleEdit(scope.row)">编辑</el-button>
            <el-button type="danger" @click="handleDel(scope.row._id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
    </div>
    <el-dialog title="菜单新增" v-model="showModal">
      <el-form
        ref="dialogForm"
        :model="menuForm"
        label-width="100px"
        :rules="rules"
      >
        <el-form-item label="父级菜单" prop="parentId">
          <el-cascader
            v-model="menuForm.parentId"
            :options="menuList"
            :props="{checkStrictly: true, value: '_id', label: 'menuName'}"
            clearable
          />
          <span>不选，则直接创建一级菜单</span>
        </el-form-item>
        <el-form-item label="菜单类型" prop="menuType">
          <el-radio-group v-model="menuForm.menuType">
            <el-radio :label="1">菜单</el-radio>
            <el-radio :label="2">按钮</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="菜单名称" prop="menuName">
          <el-input v-model="menuForm.menuName" placeholder="请输入菜单名称" />
        </el-form-item>
        <el-form-item label="菜单图标" prop="icon" v-show="menuForm.menuType == 1">
          <el-input v-model="menuForm.icon" placeholder="请输入图标" />
        </el-form-item>
        <el-form-item label="路由地址" prop="path" v-show="menuForm.menuType == 1">
          <el-input v-model="menuForm.path" placeholder="请输入路由地址" />
        </el-form-item>
        <el-form-item label="权限标识" prop="menuCode" v-show="menuForm.menuType == 2">
          <el-input v-model="menuForm.menuCode" placeholder="请输入权限标识" />
        </el-form-item>
        <el-form-item label="组件路径" prop="component" v-show="menuForm.menuType == 1">
          <el-input v-model="menuForm.component" placeholder="请输入组件路径" />
        </el-form-item>
        <el-form-item label="菜单状态" prop="menuState" v-show="menuForm.menuType == 1">
          <el-radio-group v-model="menuForm.menuState">
            <el-radio :label="1">正常</el-radio>
            <el-radio :label="2">停用</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="handleClose">取消</el-button>
          <el-button type="primary" @click="handleSubmit">确定</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import utils from "../utils/utils";
export default {
  name: "menu",
  data(){
    return {
      queryForm:{
        menuState:1
      },
      menuList:[],
      columns:[
        {
          label: '菜单名称',
          prop:'menuName',
          width: 150
        },
        {
          label: '图标',
          prop:'icon'
        },{
          label: '菜单类型',
          prop:'menuType',
          formatter(row,column,value){
            return {
              1: "菜单",
              2: "按钮"
            }[value];
          }
        },
        {
          label: '权限标识',
          prop:'menuCode'
        },{
          label: '路由地址',
          prop:'path'
        },{
          label: '组件路径',
          prop:'component'
        },{
          label: '菜单状态',
          prop:'menuState',
          width:90,
          formatter(row,column,value){
            return {
              1: "正常",
              2: "停用"
            }[value];
          }
        },{
          label: '创建时间',
          prop:'createTime',
          width:150,
          formatter(row,column,value){
            return utils.formateDate(new Date(value));
          }
        }
      ],
      showModal: false,
      menuForm:{
        parentId: [null],
        menuType: 1,
        menuState: 1
      },
      action: "",
      rules: {
        menuName: [
          {
            required: true,
            message: '请输入菜单名称',
            trigger: 'blur'
          },
          {
            min: 2,
            max:10,
            message: '长度在2-8个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  mounted(){
    this.getMenuList()
  },
  methods:{
    // 菜单列表初始化
    async getMenuList() {
      try {
        let list = await this.$api.getMenuList(this.queryForm);
        this.menuList = list;
      } catch (error) {
        throw new Error(error)
      }
    },
    // 表单重置
    handleReset(form) {
      this.$refs[form].resetFields();
    },
    // 新增菜单
    handleAdd(type,row) {
      this.showModal = true;
      this.action = 'add';
      if(type == 2){
        this.menuForm.parentId = [...row.parentId, row._id].filter(
          (item) => item
        )
      }
    },
    // 菜单编辑
    handleEdit(row) {
      this.showModal = true;
      this.action = 'edit';
      this.$nextTick(() => {
        Object.assign(this.menuForm, row);
      })
    },
    // 菜单删除
    async handleDel(_id) {
      await this.$api.menuSubmit({_id, action: 'delete'});
      this.$message.success('删除成功');
      this.getMenuList();
    },
    // 菜单操作--提交
    handleSubmit() {
      this.$refs.dialogForm.validate(async (valid) => {
        if(valid) {
          let { action,menuForm } =this;
          let params = { ...menuForm, action }
          let res = await this.$api.menuSubmit(params);
          this.showModal = false;
          this.$message.success('操作成功');
          this.handleReset('dialogForm');
          this.getMenuList();
        }
      })
    },
    // 弹窗关闭
    handleClose() {
      this.showModal = false;
      this.handleReset('dialogForm');
    }
  }
};
</script>

<style lang="scss">
</style>
